5420440543 has 16 divisors (see below), whose sum is σ = 6322143744. Its totient is φ = 4551412320.

The previous prime is 5420440523. The next prime is 5420440577. The reversal of 5420440543 is 3450440245.

It is not a de Polignac number, because 5420440543 - 2⁵ = 5420440511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5420440523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43296 + ... + 112762.

It is an arithmetic number, because the mean of its divisors is an integer number (395133984).

Almost surely, 2^5420440543 is an apocalyptic number.

5420440543 is a deficient number, since it is larger than the sum of its proper divisors (901703201).

5420440543 is a wasteful number, since it uses less digits than its factorization.

5420440543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69702.

The product of its (nonzero) digits is 38400, while the sum is 31.

The square root of 5420440543 is about 73623.6411962897. The cubic root of 5420440543 is about 1756.6215042193.

Adding to 5420440543 its reverse (3450440245), we get a palindrome (8870880788).

The spelling of 5420440543 in words is "five billion, four hundred twenty million, four hundred forty thousand, five hundred forty-three".